55233310 has 16 divisors (see below), whose sum is σ = 108458352. Its totient is φ = 20084800.

The previous prime is 55233301. The next prime is 55233317. The reversal of 55233310 is 1333255.

It is a happy number.

It is a super-2 number, since 2×55233310² = 6101437067112200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55233317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250951 + ... + 251170.

It is an arithmetic number, because the mean of its divisors is an integer number (6778647).

Almost surely, 2^55233310 is an apocalyptic number.

55233310 is a deficient number, since it is larger than the sum of its proper divisors (53225042).

55233310 is a wasteful number, since it uses less digits than its factorization.

55233310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502139.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 55233310 is about 7431.9115979672. The cubic root of 55233310 is about 380.8322249802.

Adding to 55233310 its reverse (1333255), we get a palindrome (56566565).

The spelling of 55233310 in words is "fifty-five million, two hundred thirty-three thousand, three hundred ten".